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4edb94d09e
Read-ahead was off, so OpenSSL read every record in two calls, its header and then its body. It was off because ssl_poll() asks ssl_pending(), and SSL_pending() does not count data read ahead and not yet decrypted: poll() would wait while data waits in OpenSSL. SSL_has_pending() does count it. With OpenSSL 1.1.0 and later, which have it, ssl_pending() uses it and records are read ahead; with older ones and wolfSSL nothing changes. SSL_has_pending() is also true when only a part of a record has been read ahead, which is no data yet: poll() would then return at once, over and over and without its timeout, until the rest came. ssl_pending() says so only when decrypted data waits, or when what was read ahead makes a whole record (SSL_peek() of one byte, the sockets not blocking); otherwise the socket is polled for the rest. Decrypting TLS streams takes 9-14% less time for the same data (ARM). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
#ifndef __ssl_h__
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#define __ssl_h__
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//
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// opaque connection structure
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//
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typedef void *SSL_CONN;
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//
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// opaque certificate structure
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//
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typedef void *SSL_CERT;
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typedef struct _ssl_conn {
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SSL_CTX *ctx;
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SSL *ssl;
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} ssl_conn;
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struct alpn {
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unsigned char *protos;
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unsigned int protos_len;
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};
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struct ssl_config {
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X509 *CA_cert;
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X509 *server_cert;
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X509 *client_cert;
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EVP_PKEY *CA_key;
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EVP_PKEY *server_key;
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EVP_PKEY *client_key;
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SSL_CTX *cli_ctx;
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SSL_CTX *srv_ctx;
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char *certcache;
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char * client_ciphersuites;
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char * server_ciphersuites;
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char * client_cipher_list;
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char * server_cipher_list;
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char * client_ca_file;
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char * client_ca_dir;
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char * client_ca_store;
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char * server_ca_file;
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char * server_ca_dir;
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char * server_ca_store;
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char * client_sni;
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struct alpn client_alpn_protos;
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int mitm;
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int serv;
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int cli;
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int client_min_proto_version;
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int client_max_proto_version;
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int server_min_proto_version;
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int server_max_proto_version;
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int client_verify;
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int server_verify;
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int client_mode;
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};
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typedef struct ssl_config SSL_CONFIG;
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//
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// Create copy of certificate signed by "other" CA
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//
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SSL_CERT ssl_copy_cert(SSL_CERT cert, SSL_CONFIG *config);
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//
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// SSL/TLS handshakes
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//
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SSL_CTX * ssl_cli_ctx(SSL_CONFIG *config, X509 *server_cert, EVP_PKEY *server_key,char** errSSL);
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SSL_CONN ssl_handshake_to_client(SOCKET s, SSL_CONFIG *config, X509 *server_cert, EVP_PKEY *server_key, char **errSSL);
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SSL_CONN ssl_handshake_to_server(SOCKET s, char * hostname, SSL_CONFIG *config, SSL_CERT *server_cert, char **errSSL);
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//
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// SSL/TLS Read/Write
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//
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int ssl_read(SSL_CONN connection, void * buf, int bufsize);
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int ssl_write(SSL_CONN connection, void * buf, int bufsize);
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int ssl_pending(SSL_CONN connection);
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/* TLS records are read ahead, a buffer at a time rather than two reads for
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each record, where what is read ahead and not yet decrypted shows as
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pending (SSL_has_pending(), OpenSSL 1.1.0 and later): poll() would wait
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on it otherwise. */
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#if !defined(WITH_WOLFSSL) && defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L
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#define SSL_READAHEAD 1
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#else
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#define SSL_READAHEAD 0
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#endif
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//
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// Release of opaque structures
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//
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void ssl_conn_free(SSL_CONN connection);
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void _ssl_cert_free(SSL_CERT cert);
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//
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// Global (de)initialization
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//
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void ssl_init(void);
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char * getSSLErr(void);
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//
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// Built-in SSL installation (called from 3proxy.c)
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//
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void ssl_install(void);
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extern struct sockfuncs sso;
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#endif // __ssl_h__
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